APPARATUS FOR AUDIO SIGNAL PROCESSING

APPARATUS FOR AUDIO SIGNAL PROCESSING

An apparatus for generating time-domain audio samples or synthesis filterbank (300) comprises a calculator (310) for calculating a frame (330) comprising a sequence of intermediate time-domain samples from audio subband values of block (320). The calculator (310) is coupled to a synthesis windower (...

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Hauptverfasser: LOHWASSER, MARKUS, SCHNELL, MARKUS, GEIGER, RALF, GAYER, MARC, EDLER, BERND, MELLAR, MICHAEL, LUTZKY, MANFRED, SCHULLER, GERALD, SCHMIDT, MARKUS, MULTRUS, MARKUS, GRILL, BERNHARD
Format: Patent
Sprache:eng ; pol
Schlagworte:
ACOUSTICS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
MUSICAL INSTRUMENTS
PHYSICS
RESONATORS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
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creator LOHWASSER, MARKUS
SCHNELL, MARKUS
GEIGER, RALF
GAYER, MARC
EDLER, BERND
MELLAR, MICHAEL
LUTZKY, MANFRED
SCHULLER, GERALD
SCHMIDT, MARKUS
MULTRUS, MARKUS
GRILL, BERNHARD
description An apparatus for generating time-domain audio samples or synthesis filterbank (300) comprises a calculator (310) for calculating a frame (330) comprising a sequence of intermediate time-domain samples from audio subband values of block (320). The calculator (310) is coupled to a synthesis windower (360) to which the frame (330) of intermediate time-domain samples is provided. The synthesis windower (360) is adapted to windowing the sequence of intermediate time-domain samples using a synthesis window function (370) and provides a frame (380) of windowed intermediate time-domain samples. The synthesis windower (360) is coupled to an overlap-adder output stage (400) that obtains a block (410) of time-domain samples. The block (410) of the time-domain (output) samples can then for instance be provided to further components for further processing, storing or transforming into audible audio signals.
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subjects ACOUSTICS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
MUSICAL INSTRUMENTS
PHYSICS
RESONATORS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
title APPARATUS FOR AUDIO SIGNAL PROCESSING
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